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CERTFR-2026-AVI-1138

Vulnerability from certfr_avis - Published: 2026-09-09 - Updated: 2026-09-09

Une vulnérabilité a été découverte dans les produits Cisco. Elle permet à un attaquant de provoquer un contournement de la politique de sécurité.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products
Vendor Product Description
Cisco UCS UCS Server Software versions 6.0 antérieures à 6.0(2.260143)1
Cisco UCS UCS Server Software versions 1.2 and earlier antérieures à Release no. TBD (Sep 2026)
Cisco UCS UCS Server Software versions 6.0 antérieures à 6.0(2d)1
Cisco Intersight Server Intersight Server Firmware versions antérieures à 5.4(0.260050)1
Cisco Intersight Server Intersight Server Firmware versions antérieures à 5.4(0.260042)
Cisco UCS UCS Server Software versions 2.0 antérieures à Release no. TBD (Oct 2026)
Cisco UCS UCS Server Software versions antérieures à 4.3(6h)1
Cisco UCS UCS Server Software versions 4.0 antérieures à 4.0(2.260004)
Cisco UCS UCSE BIOS versions antérieures à 4.041 (Sep 2026)
Cisco NFVIS NFVIS versions antérieures à 4.15.7 (Oct 2026)
Cisco UCS UCS Server Software versions antérieures à 4.2(3s)
Cisco UCS UCS XE-Series Server Firmware versions antérieures à 6.0(2.260143)
Cisco UCS UCS Server Software versions antérieures à 4.2(3r)
Cisco UCS UCS Server Software versions 4.3 antérieures à 4.3(2.260020)
Cisco UCS UCS Server Software versions antérieures à 4.3(6.260054)
Cisco UCS UCS Server Software versions 4.3 antérieures à 4.3(6h)1
Cisco UCS UCSE Software versions antérieures à 4.15.4-b1 (Sep 2026)
Cisco UCS UCS Server Software versions 4.3 antérieures à 4.3(6.260054)
References

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "UCS Server Software versions 6.0 ant\u00e9rieures \u00e0 6.0(2.260143)1",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS Server Software versions 1.2 and earlier ant\u00e9rieures \u00e0 Release no. TBD (Sep 2026)",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS Server Software versions 6.0 ant\u00e9rieures \u00e0 6.0(2d)1",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Intersight Server Firmware versions ant\u00e9rieures \u00e0 5.4(0.260050)1",
      "product": {
        "name": "Intersight Server",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "Intersight Server Firmware versions ant\u00e9rieures \u00e0 5.4(0.260042)",
      "product": {
        "name": "Intersight Server",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS Server Software versions 2.0 ant\u00e9rieures \u00e0 Release no. TBD (Oct 2026)",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS Server Software versions ant\u00e9rieures \u00e0 4.3(6h)1",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS Server Software versions 4.0 ant\u00e9rieures \u00e0 4.0(2.260004)",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCSE BIOS versions ant\u00e9rieures \u00e0 4.041 (Sep 2026)",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "NFVIS versions ant\u00e9rieures \u00e0 4.15.7 (Oct 2026)",
      "product": {
        "name": "NFVIS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS Server Software versions ant\u00e9rieures \u00e0 4.2(3s)",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS XE-Series Server Firmware versions ant\u00e9rieures \u00e0 6.0(2.260143)",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS Server Software versions ant\u00e9rieures \u00e0 4.2(3r)",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS Server Software versions 4.3 ant\u00e9rieures \u00e0 4.3(2.260020)",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS Server Software versions ant\u00e9rieures \u00e0 4.3(6.260054)",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS Server Software versions 4.3 ant\u00e9rieures \u00e0 4.3(6h)1",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCSE Software versions ant\u00e9rieures \u00e0 4.15.4-b1 (Sep 2026)",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    },
    {
      "description": "UCS Server Software versions 4.3 ant\u00e9rieures \u00e0 4.3(6.260054)",
      "product": {
        "name": "UCS",
        "vendor": {
          "name": "Cisco",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-20293",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-20293"
    }
  ],
  "initial_release_date": "2026-09-09T00:00:00",
  "last_revision_date": "2026-09-09T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-1138",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-09-09T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    }
  ],
  "summary": "Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans les produits Cisco. Elle permet \u00e0 un attaquant de provoquer un contournement de la politique de s\u00e9curit\u00e9.",
  "title": "Vuln\u00e9rabilit\u00e9 dans les produits Cisco",
  "vendor_advisories": [
    {
      "published_at": "2026-09-08",
      "title": "Bulletin de s\u00e9curit\u00e9 Cisco cisco-sa-ucs-uefi-sb-bypass-eb6xC5GW",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucs-uefi-sb-bypass-eb6xC5GW"
    }
  ]
}



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Sightings

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Nomenclature

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